I digitally draw on dollar bills any ideas that come to my mind from comic heroes to film characters. From the shading of the nose to the shining streaks on medal, each detail of each drawing tells it's own story.

Danish artist John Kenn Mortensen (who goes by Don Kenn on Tumblr and other sites) taps into the terror of our childhood nightmares with brilliant and terrifying monster drawings that he does on sticky notes. The round and fuzzy forms of...